Finding the Fourth Proportional to 1,036,644.72, 1,430,593.36 and 577,806.48
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Solution
The fourth proportional to 1,036,644.72, 1,430,593.36 and 577,806.48 is: 797,386.12
Step by Step Solution
- Step 1: Write the proportion equation
1,036,644.72 : 1,430,593.36 = 577,806.48 : x - Step 2: Convert to fraction form
1,036,644.72/1,430,593.36 = 577,806.48/x - Step 3: Cross multiply
1,036,644.72x = 1,430,593.36 × 577,806.48 - Step 4: Simplify right side
1,036,644.72x = 826,606,113,652.97 - Step 5: Solve for x
x = 826,606,113,652.97/1,036,644.72 - Step 6: Final answer
x = 797,386.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.